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| Patents Granted on 1994-03-22 | |||||
| Number | Date | Patentee | Title | Type | |
| D345,366 | Mar. 22, 1994 | T.W. Hewitt | Portable bench top unit for grinding | sanding machines | |
| 5,295,423 | Mar. 22, 1994 | F. Mikic | Bit with Frictional Retention in Drive Socket | ||
| 5,296,869 | Mar. 22, 1994 | J.C. Sniegowski, M.C. Putrow, J.R. Piehl, M.B. Meeker, C.F. Govekar, G.D. Jonker | Digital Engine Analyzer | ||